Hardware Spec Index

Teralux FN-3961 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3961-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index310 (Case Fans scale)
Category rank#3,292
Street price$9
Power3 W
Performance per dollar34.44
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3961 Ultra
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-3253 Ti 120mm PWM ARGB Case Fan (3-Pack)811$29Compare
Zephyra FN-4251 Max 120mm PWM Case Fan434$19Compare
Zephyra FN-3300 Max 140mm PWM ARGB Case Fan (3-Pack)968$29Compare
Zephyra FN-9842 Ultra 120mm PWM ARGB Case Fan (3-Pack)918$29Compare
Teralux FN-2402 Edge 140mm PWM ARGB Case Fan940$29Compare
Brontix FN-9617 Core 120mm PWM ARGB Case Fan1,188$39Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3961 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3482755 (accessed 2026-10-24).